The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 84 |
| 4 | 1656 |
| 5 | 35760 |
| 6 | 829152 |
| 7 | 20140992 |
| 8 | 506196864 |
| 9 | 13052347392 |
| 10 | 343372202496 |
| 11 | 9179787303936 |
| 12 | 248677818992640 |
| 13 | 6811361903480832 |
| 14 | 188319144354324480 |
| 15 | 5248610349217726464 |
| 16 | 147306879763832143872 |
| 17 | 4159638845258852794368 |
| 18 | 118095343190625371553792 |
| 19 | 3368963152577336905433088 |
[1,6,84,1656,35760,829152,20140992,506196864, 13052347392,343372202496,9179787303936, 248677818992640,6811361903480832, 188319144354324480,5248610349217726464, 147306879763832143872,4159638845258852794368, 118095343190625371553792, 3368963152577336905433088] |